- pertaining to or situated at the center; central.
- Anatomy, Physiology. pertaining to or originating at a nerve center.
- being central or having a centre
- relating to or originating at a nerve centre
- Also: concentric(of vascular bundles) having one type of tissue completely surrounding the other
- (of leaves, such as those of the onion) cylindrical
- Situated at or near the center; central.